制备固体分析样品时，当部分采集的样品很难破碎和过筛，则该部分样品可以弃去不要。( )
参考答案：错
---To grow thinner, you must eat food with plenty of fiber and stop drinking cola or eating sweet food.
---Does it mean I can’t eat my favorite fried chicken any more?
--- ________, if you love fried chicken, you needn’t give it up.
A．Not possible
B．No problem
C．Not exactly
D．Not at all
必须了解、评估、定义和管理期望，以便满足（）
A.客户要求
B.范围说明书
C.高级管理层
D.功能要求
